This works in a similar way to the gold plugin tests. We search for a compatible
linker on $PATH and use it to run tests against our just-built libLTO. To start
with, test the just added opt level functionality.
Differential Revision: http://reviews.llvm.org/D8472
llvm-svn: 232785
"PATH to binutils/include containing plugin-api.h for gold plugin.")
endif()
+if(APPLE)
+ find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker")
+endif()
+
include(FindOCaml)
include(AddOCaml)
if(WIN32)
set(LLVM_TEST_DEPENDS ${LLVM_TEST_DEPENDS} llvm-go)
endif()
+if(APPLE)
+ set(LLVM_TEST_DEPENDS ${LLVM_TEST_DEPENDS} LTO)
+endif()
+
if(TARGET ocaml_llvm)
set(LLVM_TEST_DEPENDS ${LLVM_TEST_DEPENDS}
ocaml_llvm
@$(ECHOPATH) s=@EXEEXT@=$(EXEEXT)=g >> lit.tmp
@$(ECHOPATH) s=@PYTHON_EXECUTABLE@=$(PYTHON)=g >> lit.tmp
@$(ECHOPATH) s=@GOLD_EXECUTABLE@=ld=g >> lit.tmp
+ @$(ECHOPATH) s=@LD64_EXECUTABLE@=ld=g >> lit.tmp
@$(ECHOPATH) s=@OCAMLFIND@=$(OCAMLFIND)=g >> lit.tmp
@$(ECHOPATH) s!@OCAMLFLAGS@!$(addprefix -cclib ,$(LDFLAGS))!g >> lit.tmp
@$(ECHOPATH) s=@HAVE_OCAMLOPT@=$(HAVE_OCAMLOPT)=g >> lit.tmp
# Add site-specific substitutions.
config.substitutions.append( ('%gold', config.gold_executable) )
+config.substitutions.append( ('%ld64', config.ld64_executable) )
config.substitutions.append( ('%go', config.go_executable) )
config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) )
config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) )
if have_ld_plugin_support():
config.available_features.add('ld_plugin')
+def have_ld64_plugin_support():
+ if config.ld64_executable == '':
+ return False
+
+ ld_cmd = subprocess.Popen([config.ld64_executable, '-v'], stderr = subprocess.PIPE)
+ ld_out = ld_cmd.stderr.read().decode()
+ ld_cmd.wait()
+
+ if 'ld64' not in ld_out or 'LTO' not in ld_out:
+ return False
+
+ return True
+
+if have_ld64_plugin_support():
+ config.available_features.add('ld64_plugin')
+
# Ask llvm-config about assertion mode.
try:
llvm_config_cmd = subprocess.Popen(
config.lit_tools_dir = "@LLVM_LIT_TOOLS_DIR@"
config.python_executable = "@PYTHON_EXECUTABLE@"
config.gold_executable = "@GOLD_EXECUTABLE@"
+config.ld64_executable = "@LD64_EXECUTABLE@"
config.ocamlfind_executable = "@OCAMLFIND@"
config.have_ocamlopt = "@HAVE_OCAMLOPT@"
config.have_ocaml_ounit = "@HAVE_OCAML_OUNIT@"
--- /dev/null
+if not 'ld64_plugin' in config.available_features:
+ config.unsupported = True
--- /dev/null
+; RUN: llvm-as %s -o %t.o
+; RUN: env DYLD_LIBRARY_PATH=%llvmshlibdir %ld64 -arch x86_64 -dylib -mllvm -O0 -o %t.dylib %t.o
+; RUN: llvm-nm -no-llvm-bc %t.dylib | FileCheck --check-prefix=CHECK-O0 %s
+; RUN: env DYLD_LIBRARY_PATH=%llvmshlibdir %ld64 -arch x86_64 -dylib -mllvm -O2 -o %t.dylib %t.o
+; RUN: llvm-nm -no-llvm-bc %t.dylib | FileCheck --check-prefix=CHECK-O2 %s
+
+target triple = "x86_64-apple-macosx10.8.0"
+
+; CHECK-O0: t _f1
+; CHECK-O2-NOT: _f1
+define internal void @f1() {
+ ret void
+}
+
+; CHECK-O0: T _f2
+; CHECK-O2: T _f2
+define void @f2() {
+ call void @f1()
+ ret void
+}